Your trips
Organise your trips easily with tabs
London
Halifax
Any date
+ Search
background

Halifax in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Halifax in September and see if it is worth visiting.
Check flight prices to Halifax on Avionero:
September

Weather in Halifax in September 2025

OK Weather
Mild
🌧️
Rainy
Halifax in September usually sees fair weather conditions, with an average daily high temperature of +19°C and roughly 5 sunny days. However, you should prepare for about 13 rainy days with an average precipitation of 100 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+19°C
Avg. max. temperature
+3°C
Min.
+34°C
Max.
100 mm
Total precipitation
81%
Avg. humidity
3 m/s
Avg. wind
5 ☀️
Sunny Days
12 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Halifax has OK weather in September.

Average temperature in Halifax in September

Here are the expected maximum, average and minimum temperatures in Halifax for September based on the historical data.
Last Year
Historical Data

The temperature in September is +21°C on average, with a range between a maximum of +27°C during the day and a minimum of +6°C at night.

The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +21°C to +18°C.

Is Halifax warm or cold in September?

Halifax is typically mild in September.

Maximum temperatures go down compared to the previous month from +23°C to +19°C. The minimum temperature also goes down from +16°C to +13°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

September is one of the warmest months in Halifax, here is the comparison with other months:

Climate in Halifax in September

Halifax weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+23°C+19°C+14°C
Min. temperature
+8°C+3°C-1°C
Max. temperature
+33°C+34°C+27°C
Rainfall
98 mm100 mm123 mm
Wind
3 m/s3 m/s4 m/s
Humidity
82%81%81%
Air pressure
1014 HPa1016 HPa1015 HPa
Sunny days
354
Cloudy days
121212
Rainy days
151315
Snowy days
000

September weather is still as ok as in August. It’s getting colder in September. From +23°C in the day, the average maximum temperature lowers to +19°C. Prepare for more rain. Average rainfall goes from 98 mm to 100 mm. It feels drier, as humidity decreases from 82% to 81%. The average wind speed doesn’t change much during September, staying around 3 m/s. The good news is there are likely to be more sunny days in September, from 3 to 5.

October brings much the same weather, it remains ok.

Wind

Wind speed in Halifax in September based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 15 m/s which is quite strong. The wind will cause branches to move and ground debris to fly around.

The average wind speed in Halifax is gradually decreasing during September, going from 3 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Halifax based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in September stands at 37%, leading to total precipitation of around 137 mm. The maximum amount of rainfall per day is around 40 mm, which is moderate rain. September is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Halifax wettest month is November, where a typical day has a 43% chance of precipitation and 128 mm of rainfall per day. February, on the other hand, is the driest month with a mere 10% chance of precipitation and 49 mm of rainfall per day.

How was the weather last September in Halifax?

This is the weather in Halifax in September 2023:
1 September
☀️
+21°C
2 September
☀️
+24°C
3 September
☀️
+22°C
4 September
☁️
+22°C
5 September
☁️
+26°C
6 September
☁️
+23°C
7 September
🌧️
+24°C
8 September
☀️
+25°C
9 September
☁️
+27°C
10 September
☁️
+26°C
11 September
☁️
+23°C
12 September
🌫️
+23°C
13 September
🌫️
+22°C
14 September
🌧️
+21°C
15 September
🌧️
+21°C
16 September
🌧️
+22°C
17 September
🌧️
+21°C
18 September
☀️
+22°C
19 September
☁️
+19°C
20 September
☁️
+17°C
21 September
☁️
+18°C
22 September
☀️
+18°C
23 September
☁️
+19°C
24 September
☁️
+19°C
25 September
☁️
+20°C
26 September
☀️
+18°C
27 September
☁️
+17°C
28 September
☀️
+23°C
29 September
☁️
+21°C
30 September
☁️
+18°C
In September 2023 Halifax had 8 sunny days, 15 cloudy days, and 5 rainy days. The average maximum temperature was +21°C, with an absolute maximum of +27°C and a minimum of +17°C. The average humidity was 88%, with a maximum of 100% and a minimum of 46%. The average wind speed was 4 m/s, with a maximum of 23 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Halifax climate have been changing during last 43 years period.

The climate in Halifax in September has not changed much over the last 43 years.

The average temperature was the lowest in 1992 (+10°C) and the highest in 2022 (+13°C). The driest year was 2001 with only 590 mm of rainfall, and the wettest year was 2023 with 1951 mm.

FAQ

Frequently asked questions about the weather in Halifax in September:

Is September a good time to visit Halifax?

It’s always a good time to visit Halifax, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Halifax in September?

September has mild temperatures in Halifax. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Halifax rainy in September?

Halifax is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Halifax in September?

Usually, it’s not very sunny in Halifax in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Canada

Check out the weather for other cities in Canada.

Monthly weather in Halifax

Source of the data

For this page, we’ve looked at the typical weather in Halifax, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.